/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/IntrinsicTriangulationMesh.h
Update the mesh topology (e.g. triangles and edges) by doing an edge flip, but does not update the intrinsic edge lengths or angles.
[EMeshResult](API\Runtime\GeometryCore\UE__Geometry__EMeshResult) FlipEdgeTopology ( int32 eab, [FEdgeFlipInfo](API\Plugins\DynamicMesh\Operations\FSimpleIntrinsicEdgeFlipMesh\FEdgeFlipInfo) & FlipInfo )